obama's biggest leads are in ohio, new hampshire, and iowa. of course, this could change in the weeks to come. the tightest races at this point are nevada and north carolina. the national average of those polled has president obama with a 49.5%, the potential vote 44% for romney. >>>in this weekend's presidential address president obama is calling on congress to help homeowners. >> last week mortgage rates were at historic lows. but instead of helping more and more hard working families take advantage of those rates. congress was away on break. instead of worrying about you they had already gone home to worry about their campaigns. >> the president says congress has yet to act on legislation he sent them in february that would save homeowners about $3000 a year on their mortgages. >>> the first presidential debate is wednesday at the university of denver. right now construction crews are busyworking on the main floor, the stage and the lighting while president obama campaigns in nevada tomorrow, romney will spend the weekend preparing for that